Trump haters are concerned that Trump will "stain" the Lincoln Memorial with a speech on Independence Day. But Trump is extremely unlikely to ever match Lincoln's blood-soaked legacy. And that's a good thing.

Among themselves, libertarians often see important dividing lines among various factions in terms of social views and lifestyles. But most on the outside define libertarianism as being overwhelmingly for one thing: excessive and "dogmatic" devotion to free markets.